4. July 1794: Robespierre is executed
Q: You are a formulation scientist preparing a semisolid topical scream. Your formulation requires that…
A: Buffer are solution which resist change in PH when acid Or base are added to the solution
Q: Test: Positive Sign: hydrazone formation cydlohexanecarbaldehyde| cyclohexene
A: Aldehyde is expressed as RCHO group and alkene have double bonds only.
Q: Name the following compounds properly, including stereochemistry. CH 50 Br Br s) Draw the structures…
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Q: 1. For the pH 4.5 buffer, you must use acetic acid and sodium hydroxide: СНЗСООН + NaОН — NaCH3CO0 +…
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Q: 1. Find the total number of valence electrons in NCO (step 2):0 16 2. Draw a single bond from the…
A: Solution
Q: Work backward to an appropriate organozinc halide and organohalide to make the bonds indicated by…
A: We have to write an appropriate organozinc compound and organic halide to make the desire bond as…
Q: 2) Consider the structures of benzaldehyde and cyclohexane carbaldehyde (shown below), do you expect…
A: The stretching frequency depends on the strength of the bond which is governed by Hooke's law.This…
Q: Draw the product of the reaction shown below. Ignore inorganic byproducts. H2, Rh/C heat Ⓡ
A: This is hydrogenation reaction. In this reaction benzene ring convert into cyclohexane ring.
Q: 3. Given the number of moles of NaH2PO4 available as computed above and the molar ratio calculated,…
A: Given, Volume of NaH2PO4 = 50 mL Molarity of NaH2PO4 = 0.2 M Molar mass of NaH2PO4 = 119.98…
Q: 2. Compare the pka of pyrrole and imidazole. Which heterocycle is more basic? Applying the Hückel…
A: A. Greater is the pKa lower will be the Ka and hence, lower will be the acidity. Hence, higher will…
Q: 4. If element X combines with oxygen to form an ionic compound X₂O, what is the charge of element X?…
A: 4. Here given---- X combines with oxygen to form an ionic compound----- X2O Let, the oxidation…
Q: Relating to the oxidation/reduction of a carbon atom in an organic molecule from Module 2, give an…
A: In chemistry, a reducing agent is a substance that can donate electrons to another chemical species,…
Q: QUESTION 25 Dehydration WILL NOT produce the desired product from the given startng material (5ee…
A: E2 reaction is bimolecular elimination reaction. It is single step reaction and doesn't include…
Q: c. Al + Cu2+ -> Al3+ + Cu С. d. Zn + 2HNO3 -> Zn(NO3)2 + NO2 + H20
A: Balanced the redox reaction ---
Q: What volume of carbon dioxide (CO2) will be produced if 2.90 moles of iron (Fe) is produced?
A: 3. Given :- Fe2O3(s) + 3CO(g) → 2Fe(s) + 3CO2(g) no.of moles of Fe produced = 2.90 mol To…
Q: The carbonate ion, CO3, has three equivalent resonance structures. For one of those structures, the…
A: The formal charge can be calculated using the formula, Formal charge on an atom = [Number of valence…
Q: Question 1 Methanol is an important fuel. One method for synthesizing it involves the following…
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Q: A sample of gas occupies a volume of 237.5 mL at 763.2 tor and 273.2 K. What volume will the sample…
A: We can calculate the quantities by using ideal gas equation.
Q: The physician of patient AJ (50 kg, M) admitted in your hospital ordered that the patient receives…
A: As per bartleby guidelines I need to solve only first three part. Solved in step 2.
Q: Predict the product of the following Stille coupling reactions. SnBuz Pd(PPh,)4 toluene, 80 °C Br…
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Q: 1. For the pH 4.5 buffer, you must use acetic acid and sodium hydroxide: СНЗСООН + NaОН — NaCH3CO0 +…
A:
Q: a below, what is the hydroxide ion concentration (M) in the trial 1
A: Volume of NaOH is 9.0 mL Volume of crystal violet is 9.9 mL Molarity of NaOH is 0.019 M [ OH ] = ?
Q: Which of the following is the bromonium ion intermediate formed in the reaction of cyclohexene with…
A: To solve this problem we have to know about bromounium ion formation .
Q: How many moles of hydrogen are in 3.06 x 10 g of glycine, C,H;NO,?
A: Given, Mass of glycine = 0.00306g
Q: Exercise 1: You got a job as an adjunct instructor at a community college and want to make 320 ml of…
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Q: Draw the Lewis Structure for PCI3 and indicate its geometry using dashed and wedged bonds. Determine…
A: Lewis structure is the structural representation of the molecule, shown by the electron pairs around…
Q: number
A: We will calculate ∆H of the reaction
Q: Cak bo n → 4 eectKon gRoups (no lone paiRs) tetRunbu OXygen 4 electron groups (2 one pairs) bent FOR…
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Q: QUESTIONS: 1. Describe how the periodic table is used to determine the number of valence electrons…
A: Valence electrons : The electrons which are present in outer most shell of an atom are called…
Q: Please answer question 7 &8
A: 7.
Q: Suppose that equal volumes of 0.114 M sodium chloride (NaCl) and 0.0888 M silver nitrate (AgNO3) are…
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Q: Work backward to an appropriate organozinc halide and organohalide to make the bonds indicated by…
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Q: Calculate the molar solubility of Ag2CO3 that results when 200. mL of 0.0100 M AgNO3 is mixed with…
A: Given:volume of AgNO3=200ml=0.2L 1L=1000mlMolarity of AgNO3=0.01MHence, number of…
Q: dict the product of the following reactions. 1. NaOr-Bu t-BUOH 2. КОН, НССI, Draw the molecule on…
A: To find: product formed by the following reaction:
Q: In a series of two reactions, show (using the names of the molecules) the polymerization of 3-lodo…
A: The Concept used in this question is from Basic organic chemistry. We have to give answer in two…
Q: You take a course in archacology that includes field work. An ancient wooden totem pole is excavated…
A: The above question can be solved using the formula t1/2 = 0.693/k Where k is the rate constant k=…
Q: Write "highest" under the compound with the highest boiling point. Write "lowest" under the compound…
A: Acid is substance which release hydrogen ions and base is substance which release hydroxyl ions.
Q: 3. Explain in your own words why each compound experiences the intermolecular forces listed.
A: 3. Intermolecular forces are the attractive or repulsive forces that act between molecules of a…
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